Legal claims defining the scope of protection, as filed with the USPTO.
2. The hard disk indicator circuit of claim 1, wherein when the hard disk is in a first state, the control unit outputs a first control signal to the drive unit; when the hard disk is in a second state, the control unit outputs a second control signal to the drive unit; and when the hard disk is in a third state, the control unit outputs a third control signal to the drive unit.
3. The hard disk indicator circuit of claim 2, wherein the indicating unit comprises a first indicator, a second indicator and a third indicator, the drive unit is configured to control the first indicator to emit light beams when the drive unit receives the first control signal.
4. The hard disk indicator circuit of claim 3, wherein the indicating unit further comprises a second indicator, the drive unit is further configured to control the second indicator to emit light beams when the drive unit receives the second control signal.
5. The hard disk indicator circuit of claim 4, wherein the indicating unit further comprises a third indicator, the drive unit is further configured to control the third indicator to emit light beams when the drive unit receives the third control signal.
6. The hard disk indicator circuit of claim 5, wherein when level state of the first indicator is different from a level value of the first control signal, the verification unit outputs a first fault signal.
7. The hard disk indicator circuit of claim 6, wherein when level state of the second indicator is different from a level value of the second control signal, the verification unit outputs a second fault signal.
8. The hard disk indicator circuit of claim 7, further comprising a conversion unit, wherein the conversion unit is electrically connected to the third indicator and the verification unit, the conversion unit is configured to convert a first level value of the third indicator into a second level value; when the second level value is different from the level value of the control signal, the verification unit outputs a third fault signal.
9. The hard disk indicator circuit of claim 1, further comprising an interaction unit, wherein the interaction unit is electrically connected to the verification unit and a manager; the interaction unit is configured to control the manager to display faulty states of the indicating unit according to faulty signals output by the verification unit.
10. The hard disk indicator circuit of claim 5, wherein the first indicator, the second indicator and the third indicator are light emitting diode (LED).
12. The hard disk backplane of claim 11, wherein when the hard disk is in a first state, the control unit outputs a first control signal to the drive unit; when the hard disk is in a second state, the control unit outputs a second control signal to the drive unit; and when the hard disk is in a third state, the control unit outputs a third control signal to the drive unit.
13. The hard disk backplane of claim 12, wherein the indicating unit comprises a first indicator, a second indicator and a third indicator, the drive unit is configured to control the first indicator to emit light beams when the drive unit receives the first control signal.
14. The hard disk backplane of claim 13, wherein the indicating unit further comprises a second indicator, the drive unit is further configured to control the second indicator to emit light beams when the drive unit receives the second control signal.
15. The hard disk backplane of claim 14, wherein the indicating unit further comprises a third indicator, the drive unit is further configured to control the third indicator to emit light beams when the drive unit receives the third control signal.
16. The hard disk backplane of claim 15, wherein when level state of the first indicator is different from a level value of the first control signal, the verification unit outputs a first fault signal.
17. The hard disk backplane of claim 16, wherein when level state of the second indicator is different from a level value of the second control signal, the verification unit outputs a second fault signal.
18. The hard disk backplane of claim 17, further comprising a conversion unit, wherein the conversion unit is electrically connected to the third indicator and the verification unit, the conversion unit is configured to convert a first level value of the third indicator into a second level value; when the second level value is different from the level value of the control signal, the verification unit outputs a third fault signal.
19. The hard disk backplane of claim 11, further comprising an interaction unit, wherein the interaction unit is electrically connected to the verification unit and a manager; the interaction unit is configured to control the manager to display faulty states of the indicating unit according to faulty signals output by the verification unit.
20. The hard disk backplane of claim 15, wherein the first indicator, the second indicator and the third indicator are light emitting diode (LED).
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July 9, 2024
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